refactor: convert organizations command to yargs

[rossiam]

• convert organizations command to yargs
• add unit tests for new and updated code
• added unit test for chooseOrganizationFn which had been left out in prior commit

[changeset-bot[bot]]

⚠️ No Changeset found

Latest commit: bd7191b8400e1e4fadf56eab22aacb7a4ab4330f

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